Note on recording instrument for kite balloon
1921
4 S., [2] Bl.
Sonstige
Englisch
RVK: | ZO 7000 |
Engineering Index Backfile | 1919
|Engineering Index Backfile | 1920
|The Avorio-Prassone kite balloon
Engineering Index Backfile | 1920
|An improved A. P. Kite balloon
Engineering Index Backfile | 1920
|